Home / 9,089.40-12,549.59-6,961.17

Finding the Fourth Proportional to 9,089.40, 12,549.59 and 6,961.17

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Solution

The fourth proportional to 9,089.40, 12,549.59 and 6,961.17 is: 9,611.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,089.40 : 12,549.59 = 6,961.17 : x
  2. Step 2: Convert to fraction form
    9,089.40/12,549.59 = 6,961.17/x
  3. Step 3: Cross multiply
    9,089.40x = 12,549.59 × 6,961.17
  4. Step 4: Simplify right side
    9,089.40x = 87,359,794.61
  5. Step 5: Solve for x
    x = 87,359,794.61/9,089.40
  6. Step 6: Final answer
    x = 9,611.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.